Question

thermosetting plastics and thermoplastics​

Answer 1

Answer:

Thermoplastic plastics Thermosetting plastics

1. Thermoplastic can be easily bent. 1. Thermosetting plastics cannot be easily bent. If forced to bend, they will break.

2. Softens on heating 2. Do not soften on heating

3. Can be moulded and reshaped 3. Cannot be moulded and reshaped.

4. Expensive 4. Cheaper

5. Recyclable 5. Not recyclable

6. Soft and weak 6. Hard and strong

7. It is used in making toys,combs and various containers. 7. It is used in making handles of cooking utensils.

8. Example: Polythene and PVC 8. Example: bakelite and melamine

Physical properties

Metals Non-metals

Good conductors of electricity. Poor conductors of electricity

Good conductors of heat Poor conductors of heat

High density. Low density

Malleable and ductile. Brittle

Answer 2

The primary difference between the two is that Thermoset is a material that strengthens when heated , but cannot be remolded or heated after the initial forming , while thermoplastics can be reheated , remolded , and cooled as necessary without causing any chemical changes .